OpenTechnical

OT-2026-000061974

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000061974) never changes.

Identity and time

Publication numberOT-2026-000061974 · never reused
Internal UUID01a0ae8b-b8ae-72f4-95cf-da6aa9adc6f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061974
StatusPUBLIC

Content hashes

Canonical textc7c8206a57b8c60b178593696518a2f5a2446b4b8ab19c96630cacbe8c08e910
Markdown69ffd215c8f623227e042e1eccfbcb079ac2486397a4bc45179a1f0b68627e72
PDF
Publication page9eb3931be2e6507ce322112162ec269d5670498fcbd57f84677fd38bfe36df62
Manifesteb15747da42313b4e149b279d46659153c365e772ab470fd97d248a5eb816226

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature4VX7vTEQCzuJA3t9L+/TW1/Lki+Db2nSZpD3NspwT04g7Zuhmf9YWju4jF5qRMyNzgHIdPw/hS62kEuTeYzUBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:53.641551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061974
observed 9eb3931be2e6507ce322112162ec269d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.616146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061974/manifest.json
observed eb15747da42313b4e149b279d4665915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.589441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061974/publication.md
observed 69ffd215c8f623227e042e1eccfbcb07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:53.558314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061974/publication.txt
observed c7c8206a57b8c60b178593696518a2f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.